2,2′-Dihydroxy-1,1′-azonaphthalene-3,3′,6,6′-tetrasulfonic acid

CAS 76877-41-3C20H14N2O14S4Cell Biology

2,2′-Dihydroxy-1,1′-azonaphthalene-3,3′,6,6′-tetrasulfonic acid (CAS 76877-41-3) is a specialised organic compound with the molecular formula C20H14N2O14S4 and a molecular weight of 634.59 g/mol. As a derivative of azo dyes, it finds utility in various staining and histological applications within cell biology and hematology. This compound is supplied by Tech Serve Solutions for research and laboratory use.

Synonyms: 3′,6,6′-tetrasulfonic acid

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2,2′-Dihydroxy-1,1′-azonaphthalene-3,3′,6,6′-tetrasulfonic acid (C20H14N2O14S4) — chemical structure, CAS 76877-41-3; Life Science, fine chemical supplied by Tech Serve Solutions

Cell BiologyHematology and HistologyStains & DyesA to ZStains and Dyes

01 /Applications

Histological Staining

This compound serves as a component in specialised stains used for microscopic examination of biological tissues. It aids in differentiating cellular structures and cellular components.

Cell Biology Research

Utilised as a reagent in cell biology laboratories for applications requiring specific chromogenic properties. Its sulfonic acid groups contribute to solubility and interaction with biological molecules.

Hematology Applications

Employed in hematological staining procedures for the characterisation of blood cells and other related biological samples. It helps in visualising cellular morphology.

02 /Properties

Molecular weight	634.59
Empirical formula	C20H14N2O14S4

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES
P310Immediately call a POISON CENTER or doctor

Protective equipment	Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Transport (UN / ADR)	UN 2585 8/PG 3
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C
Risk statements (R)	34
Safety statements (S)	26-27-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

76877-41-3

MDL number

MFCD00056612

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 2,2′-Dihydroxy-1,1′-azonaphthalene-3,3′,6,6′-tetrasulfonic acid used for?

This compound is primarily used as a stain in histology and hematology for cell biology research and microscopy applications.

What is the CAS number and molecular formula for this compound?

The CAS number is 76877-41-3, and the molecular formula is C20H14N2O14S4.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this chemical for research and laboratory purposes. Purity and assay details are available upon request; we do not represent this product as USP, BP, or EP grade.

How should 2,2′-Dihydroxy-1,1′-azonaphthalene-3,3′,6,6′-tetrasulfonic acid be handled?

This compound is classified as corrosive (GHS05, Danger, H314) and requires appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection. Handle with extreme care to avoid skin and eye contact or inhalation.

How is this product packed and exported?

This chemical is shipped according to UN 2585, Hazard Class 8, Packing Group III regulations, suitable for global export.

How can I request a sample or quote?

To request a sample or a quote, please contact our sales team via the website or direct email, providing your contact details and the product CAS number (76877-41-3).